you'll also hear what iran's president is saying about new threats from the united states. >>> back here at home, a new mosque will be built in santa clara county. county approval has been given to build the cordova center. the approval process has been controversial. look at this. although many support it, others say the plan to build a cemetery at that site could contaminate ground water. county supervisors say the center has passed every requirement. >>> beginning march 1st, rvs will be banned from parking overnight in parts of san francisco. yesterday, the board of supervisors passed the ban on the vehicles, saying it was to help people get out of rvs and into temporary housing. but homeless advocates say this could force more people onto the streets. a complete list approved will be banned by the tsa and will likely include parts of the sunset and bayview district. >>> tesla's score says he's working on a -- tesla's ceo says he's working on a rail, a people-moving tube that he calls a hyperloop. he says it would cost $6 billion and tickets bo -- tickets would be cheaper than airfare